The implied information is that they were still eating and drinking at the table. Alternate translation: "As they were eating and drinking at the table" (See: [[rc://en/ta/man/jit/figs-explicit]])
The idiom "the word of Yahweh came to" is used to introduce a special message from God. See how you translated a similar phrase in [1 Kings 6:11](../06/11.md). Alternate translation: "Yahweh gave a message to the prophet" or "Yahweh spoke this message to the prophet" (See: [[rc://en/ta/man/jit/figs-idiom]])